Substituted piperazines Substituted piperazines are a class of compounds derived of the piperazine base structure. List of substituted piperazines CompoundStructure href=/substituted/morpholine>Substituted morpholinesSubstituted piperazines href=/substituted/piperidine>Substituted piperidines href=/substituted/pyridine>Substituted pyridines href=/substituted/pyrrolidine>Substituted pyrrolidines href=/substituted/tetrahydropyridine>Substituted tetrahydropyridines href=/substituted/benzylpiperazine>Substituted benzylpiperazines href=/substituted/phenylpiperazine>Substituted phenylpiperazines Piperazine See also Anodyne